Apiece of yellow yarn was 230 inches long. after 90 inches had een cut from the piece of yellow yarn was twice as longas a piece of blue yarn. how much longer  than the blue yarn was the yellow yarn at first?  

160 inches longer.

Step-by-step explanation:

Let x represent the length of the blue yarn.

We have been given that a piece of yellow yarn was 230 inches long. After 90 inches had been cut from it, the piece of yellow yarn was twice as long as a piece of blue yarn.

Twice the length of blue yarn would be .

We can represent this information in an equation as:  

Therefore, the length of blue yarn is 70 inches long.

Now, we will subtract 70 from 230 as:

Therefore, the yellow yarn was 160 inches longer than the blue yarn.

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step-by-step explanation: